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The longest part of the digestive system is the …………………..

• esophagus

• small intestine

• stomach

• large intestine

……………….. Secretes gastric juice that changes protein into a semi-liquid substances

• large intestine

• stomach

• mouth

• small intestine

the process of Transferring digested food from the small intestine to the blood is called ………………..

• Respiration

• Digestion

• Absorption

• Inhalation

the undigested food is assembled in the ………………..

• Stomach

• Duodenum

• Small intestine

• large intestine

........... is the process of changing food from complex form into simple to get benefit from it

• Respiration

• Digestion

• Absorption

• Sensation

Almost 10 inches long, this structure connects the mouth to the stomach. What is it?

• ileum

• esophagus

• epiglottis

• appendix

This is an image of the

• stomach
• small intestine
• esophagus
• large intestine

What is the function of the digestive system?

• to break down and absorb nutrients
• to support and protect our bodies
• to produce vitamin D
• to help us move

Which of the following correctly describes the purpose of digestion?

• To break down complex food molecules into simple soluble molecules

• To make complex food molecules from simple soluble molecules

• To make use of simple soluble food molecules

• To remove complex food molecules from the body

Large food molecules need to be broken down to be small enough to pass through cell membranes.

• True

• False